See 
<https://builds.apache.org/job/beam_PostCommit_Python36/1418/display/redirect?page=changes>

Changes:

[kcweaver] [BEAM-8337] Hard-code Flink versions.

[kcweaver] fix indentation

[kcweaver] Update release guide

[lostluck] [BEAM-9080] Support KVs in the Go SDK's Partition


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count=2, min=139, max=139}, 
40write/Write/WriteImpl/DoOnce/Map(decode).None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_12}: DistributionResult{sum=15, 
count=1, min=15, max=15}, 
19group/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_8}: DistributionResult{sum=751, 
count=39, min=17, max=23}, 
6format.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_16}: DistributionResult{sum=278, 
count=2, min=139, max=139}, 
19group/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_7}: DistributionResult{sum=748, 
count=32, min=20, max=29}, 
40write/Write/WriteImpl/DoOnce/Map(decode).None/beam:env:external:v1:2:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_21}: DistributionResult{sum=0, 
count=0, min=9223372036854775807, max=-9223372036854775808}, 
6format.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1 
{PCOLLECTION=ref_PCollection_PCollection_14}: DistributionResult{sum=276, 
count=2, min=138, max=138}, 
42read/Read/_SDFBoundedSourceWrapper/Impulse.None/SplitAndSize0/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_3}: DistributionResult{sum=484, 
count=29, min=14, max=23}, 
42read/Read/_SDFBoundedSourceWrapper/Impulse.None/SplitAndSize0/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_2}: DistributionResult{sum=597, 
count=14, min=14, max=84}, 
42read/Read/_SDFBoundedSourceWrapper/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 
{PTRANSFORM=ref_AppliedPTransform_read/Read/_SDFBoundedSourceWrapper/ParDo(SDFBoundedSourceDoFn)_6/PairWithRestriction0,
 TAG=None}: DistributionResult{sum=913, count=1, min=913, max=913}, 
42read/Read/_SDFBoundedSourceWrapper/Impulse.None/SplitAndSize0/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_4}: DistributionResult{sum=779, 
count=42, min=16, max=25}, 
36write/Write/WriteImpl/DoOnce/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_10}: DistributionResult{sum=13, 
count=1, min=13, max=13}, 
36write/Write/WriteImpl/DoOnce/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_11}: DistributionResult{sum=14, 
count=1, min=14, max=14}, 
36write/Write/WriteImpl/DoOnce/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_12}: DistributionResult{sum=14, 
count=1, min=14, max=14}, 
46write/Write/WriteImpl/GroupByKey/GroupByWindow.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_20}: DistributionResult{sum=276, 
count=2, min=138, max=138}, 
42read/Read/_SDFBoundedSourceWrapper/Impulse.None/SplitAndSize0/beam:env:external:v1:0:beam:metric:user_distribution
 {NAMESPACE=__main__.WordExtractingDoFn, 
PTRANSFORM=ref_AppliedPTransform_split_7, NAME=word_len_dist}: 
DistributionResult{sum=298, count=96, min=1, max=10}, 
40write/Write/WriteImpl/DoOnce/Map(decode).None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_22}: DistributionResult{sum=106, 
count=2, min=53, max=53}, 
40write/Write/WriteImpl/DoOnce/Map(decode).None/beam:env:external:v1:2:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_12}: DistributionResult{sum=15, 
count=1, min=15, max=15}, 
42read/Read/_SDFBoundedSourceWrapper/Impulse.None/beam:env:external:v1:0:beam:metric:sampled_byte_size:v1
 {PCOLLECTION=ref_PCollection_PCollection_1/SplitAndSize0}: 
DistributionResult{sum=758, count=1, min=758, max=758}))
[flink-runner-job-invoker] INFO 
org.apache.beam.runners.fnexecution.artifact.AbstractArtifactRetrievalService - 
Manifest at 
/tmp/beam-temp1ml2206v/artifactszln2918v/job_1f3d84d4-3e1a-4480-bcc4-160a7b807130/MANIFEST
 has 1 artifact locations
[flink-runner-job-invoker] INFO 
org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactStagingService
 - Removed dir 
/tmp/beam-temp1ml2206v/artifactszln2918v/job_1f3d84d4-3e1a-4480-bcc4-160a7b807130/
INFO:apache_beam.runners.portability.portable_runner:Job state changed to DONE
[grpc-default-executor-1] INFO 
org.apache.beam.runners.fnexecution.jobsubmission.InMemoryJobService - Getting 
job metrics for 
BeamApp-jenkins-0110213509-31f02cf4_2f399452-5853-474a-8e1f-79a8e7b8cea1
[grpc-default-executor-1] INFO 
org.apache.beam.runners.fnexecution.jobsubmission.InMemoryJobService - Finished 
getting job metrics for 
BeamApp-jenkins-0110213509-31f02cf4_2f399452-5853-474a-8e1f-79a8e7b8cea1
INFO:root:number of empty lines: 2
INFO:root:average word length: 3

> Task :sdks:python:test-suites:portable:py36:portableWordCountSparkRunnerBatch
INFO:apache_beam.runners.portability.fn_api_runner_transforms:====================
 <function lift_combiners at 0x7f9a7275d9d8> ====================
WARNING:apache_beam.utils.subprocess_server:Starting service with ['java' 
'-jar' 
'/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Python36/src/runners/spark/job-server/build/libs/beam-runners-spark-job-server-2.19.0-SNAPSHOT.jar'
 '--spark-master-url' 'local[4]' '--artifacts-dir' 
'/tmp/beam-tempo6i_9e89/artifacts5fawg8ev' '--job-port' '60579' 
'--artifact-port' '0' '--expansion-port' '0']
20/01/10 21:35:26 INFO 
org.apache.beam.runners.fnexecution.jobsubmission.JobServerDriver: 
ArtifactStagingService started on localhost:44301
20/01/10 21:35:26 INFO 
org.apache.beam.runners.fnexecution.jobsubmission.JobServerDriver: Java 
ExpansionService started on localhost:39359
20/01/10 21:35:26 INFO 
org.apache.beam.runners.fnexecution.jobsubmission.JobServerDriver: JobService 
started on localhost:60579
WARNING:apache_beam.options.pipeline_options:Discarding unparseable args: 
['--parallelism=2', '--shutdown_sources_on_final_watermark']
20/01/10 21:35:28 INFO org.apache.beam.runners.spark.SparkJobInvoker: Invoking 
job BeamApp-jenkins-0110213528-5b6fa0e1_55a7f3fb-735d-4bb4-acf3-cdfcfdb2c3b1
20/01/10 21:35:28 INFO 
org.apache.beam.runners.fnexecution.jobsubmission.JobInvocation: Starting job 
invocation 
BeamApp-jenkins-0110213528-5b6fa0e1_55a7f3fb-735d-4bb4-acf3-cdfcfdb2c3b1
INFO:root:Waiting until the pipeline has finished because the environment 
"LOOPBACK" has started a component necessary for the execution.
INFO:apache_beam.runners.portability.portable_runner:Job state changed to 
STOPPED
INFO:apache_beam.runners.portability.portable_runner:Job state changed to 
STARTING
INFO:apache_beam.runners.portability.portable_runner:Job state changed to 
RUNNING
20/01/10 21:35:29 INFO org.apache.beam.runners.spark.SparkPipelineRunner: 
PipelineOptions.filesToStage was not specified. Defaulting to files from the 
classpath
20/01/10 21:35:29 INFO org.apache.beam.runners.spark.SparkPipelineRunner: Will 
stage 1 files. (Enable logging at DEBUG level to see which files will be 
staged.)
20/01/10 21:35:29 INFO 
org.apache.beam.runners.spark.translation.SparkContextFactory: Creating a brand 
new Spark Context.
20/01/10 21:35:29 WARN org.apache.hadoop.util.NativeCodeLoader: Unable to load 
native-hadoop library for your platform... using builtin-java classes where 
applicable
20/01/10 21:35:30 INFO org.apache.beam.runners.spark.SparkPipelineRunner: 
Running job 
BeamApp-jenkins-0110213528-5b6fa0e1_55a7f3fb-735d-4bb4-acf3-cdfcfdb2c3b1 on 
Spark master local[4]
20/01/10 21:35:30 INFO 
org.apache.beam.runners.spark.aggregators.AggregatorsAccumulator: Instantiated 
aggregators accumulator: 
20/01/10 21:35:30 INFO 
org.apache.beam.runners.spark.metrics.MetricsAccumulator: Instantiated metrics 
accumulator: MetricQueryResults()
INFO:apache_beam.runners.worker.statecache:Creating state cache with size 0
INFO:apache_beam.runners.worker.sdk_worker:Creating insecure control channel 
for localhost:34081.
INFO:apache_beam.runners.worker.sdk_worker:Control channel established.
INFO:apache_beam.runners.worker.sdk_worker:Initializing SDKHarness with 
unbounded number of workers.
20/01/10 21:35:33 INFO 
org.apache.beam.runners.fnexecution.control.FnApiControlClientPoolService: Beam 
Fn Control client connected with id 1-1
INFO:apache_beam.runners.worker.sdk_worker:Creating insecure state channel for 
localhost:37421.
INFO:apache_beam.runners.worker.sdk_worker:State channel established.
INFO:apache_beam.runners.worker.data_plane:Creating client data channel for 
localhost:33179
20/01/10 21:35:33 INFO 
org.apache.beam.runners.fnexecution.data.GrpcDataService: Beam Fn Data client 
connected.
20/01/10 21:35:33 WARN 
org.apache.beam.runners.spark.translation.GroupNonMergingWindowsFunctions: 
Either coder LengthPrefixCoder(ByteArrayCoder) or GlobalWindow$Coder is not 
consistent with equals. That might cause issues on some runners.
WARNING:apache_beam.io.filebasedsink:Deleting 4 existing files in target path 
matching: -*-of-%(num_shards)05d
20/01/10 21:35:37 INFO org.apache.beam.runners.spark.SparkPipelineRunner: Job 
BeamApp-jenkins-0110213528-5b6fa0e1_55a7f3fb-735d-4bb4-acf3-cdfcfdb2c3b1: 
Pipeline translated successfully. Computing outputs
INFO:apache_beam.io.filebasedsink:Starting finalize_write threads with 
num_shards: 4 (skipped: 0), batches: 4, num_threads: 4
INFO:apache_beam.io.filebasedsink:Renamed 4 shards in 0.10 seconds.
20/01/10 21:35:40 INFO org.apache.beam.runners.spark.SparkPipelineRunner: Job 
BeamApp-jenkins-0110213528-5b6fa0e1_55a7f3fb-735d-4bb4-acf3-cdfcfdb2c3b1 
finished.
20/01/10 21:35:41 WARN 
org.apache.beam.runners.spark.SparkPipelineResult$BatchMode: Collecting 
monitoring infos is not implemented yet in Spark portable runner.
20/01/10 21:35:41 INFO 
org.apache.beam.runners.fnexecution.artifact.AbstractArtifactRetrievalService: 
Manifest at 
/tmp/beam-tempo6i_9e89/artifacts5fawg8ev/job_d6e74d21-fae1-4061-a25c-67b6bf24ccb9/MANIFEST
 has 1 artifact locations
20/01/10 21:35:41 INFO 
org.apache.beam.runners.fnexecution.artifact.BeamFileSystemArtifactStagingService:
 Removed dir 
/tmp/beam-tempo6i_9e89/artifacts5fawg8ev/job_d6e74d21-fae1-4061-a25c-67b6bf24ccb9/
INFO:apache_beam.runners.portability.portable_runner:Job state changed to DONE
20/01/10 21:35:41 INFO 
org.apache.beam.runners.fnexecution.jobsubmission.InMemoryJobService: Getting 
job metrics for 
BeamApp-jenkins-0110213528-5b6fa0e1_55a7f3fb-735d-4bb4-acf3-cdfcfdb2c3b1
20/01/10 21:35:41 INFO 
org.apache.beam.runners.fnexecution.jobsubmission.InMemoryJobService: Finished 
getting job metrics for 
BeamApp-jenkins-0110213528-5b6fa0e1_55a7f3fb-735d-4bb4-acf3-cdfcfdb2c3b1
Exception in thread run_worker_1-1:
Traceback (most recent call last):
  File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File 
"/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Python36/src/build/gradleenv/2022703440/lib/python3.6/site-packages/apache_beam/runners/worker/sdk_worker.py",
 line 135, in run
    for work_request in control_stub.Control(get_responses()):
  File 
"/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Python36/src/build/gradleenv/2022703440/lib/python3.6/site-packages/grpc/_channel.py",
 line 416, in __next__
    return self._next()
  File 
"/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Python36/src/build/gradleenv/2022703440/lib/python3.6/site-packages/grpc/_channel.py",
 line 703, in _next
    raise self
grpc._channel._MultiThreadedRendezvous: <_MultiThreadedRendezvous of RPC that 
terminated with:
        status = StatusCode.UNAVAILABLE
        details = "Socket closed"
        debug_error_string = 
"{"created":"@1578692141.487491954","description":"Error received from peer 
ipv4:127.0.0.1:34081","file":"src/core/lib/surface/call.cc","file_line":1056,"grpc_message":"Socket
 closed","grpc_status":14}"
>

ERROR:apache_beam.runners.worker.data_plane:Failed to read inputs in the data 
plane.
Traceback (most recent call last):
  File 
"/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Python36/src/build/gradleenv/2022703440/lib/python3.6/site-packages/apache_beam/runners/worker/data_plane.py",
 line 423, in _read_inputs
    for elements in elements_iterator:
  File 
"/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Python36/src/build/gradleenv/2022703440/lib/python3.6/site-packages/grpc/_channel.py",
 line 416, in __next__
    return self._next()
  File 
"/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Python36/src/build/gradleenv/2022703440/lib/python3.6/site-packages/grpc/_channel.py",
 line 703, in _next
    raise self
grpc._channel._MultiThreadedRendezvous: <_MultiThreadedRendezvous of RPC that 
terminated with:
        status = StatusCode.UNAVAILABLE
        details = "Socket closed"
        debug_error_string = 
"{"created":"@1578692141.487323080","description":"Error received from peer 
ipv4:127.0.0.1:33179","file":"src/core/lib/surface/call.cc","file_line":1056,"grpc_message":"Socket
 closed","grpc_status":14}"
>
Exception in thread read_grpc_client_inputs:
Traceback (most recent call last):
  File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File 
"/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Python36/src/build/gradleenv/2022703440/lib/python3.6/site-packages/apache_beam/runners/worker/data_plane.py",
 line 438, in <lambda>
    target=lambda: self._read_inputs(elements_iterator),
  File 
"/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Python36/src/build/gradleenv/2022703440/lib/python3.6/site-packages/apache_beam/runners/worker/data_plane.py",
 line 423, in _read_inputs
    for elements in elements_iterator:
  File 
"/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Python36/src/build/gradleenv/2022703440/lib/python3.6/site-packages/grpc/_channel.py",
 line 416, in __next__
    return self._next()
  File 
"/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Python36/src/build/gradleenv/2022703440/lib/python3.6/site-packages/grpc/_channel.py",
 line 703, in _next
    raise self
grpc._channel._MultiThreadedRendezvous: <_MultiThreadedRendezvous of RPC that 
terminated with:
        status = StatusCode.UNAVAILABLE
        details = "Socket closed"
        debug_error_string = 
"{"created":"@1578692141.487323080","description":"Error received from peer 
ipv4:127.0.0.1:33179","file":"src/core/lib/surface/call.cc","file_line":1056,"grpc_message":"Socket
 closed","grpc_status":14}"
>

Exception in thread read_state:
Traceback (most recent call last):
  File "/usr/lib/python3.6/threading.py", line 916, in _bootstrap_inner
    self.run()
  File "/usr/lib/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File 
"/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Python36/src/build/gradleenv/2022703440/lib/python3.6/site-packages/apache_beam/runners/worker/sdk_worker.py",
 line 618, in pull_responses
    for response in responses:
  File 
"/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Python36/src/build/gradleenv/2022703440/lib/python3.6/site-packages/grpc/_channel.py",
 line 416, in __next__
    return self._next()
  File 
"/home/jenkins/jenkins-slave/workspace/beam_PostCommit_Python36/src/build/gradleenv/2022703440/lib/python3.6/site-packages/grpc/_channel.py",
 line 703, in _next
    raise self
grpc._channel._MultiThreadedRendezvous: <_MultiThreadedRendezvous of RPC that 
terminated with:
        status = StatusCode.UNAVAILABLE
        details = "Socket closed"
        debug_error_string = 
"{"created":"@1578692141.487332349","description":"Error received from peer 
ipv4:127.0.0.1:37421","file":"src/core/lib/surface/call.cc","file_line":1056,"grpc_message":"Socket
 closed","grpc_status":14}"
>


> Task :sdks:python:test-suites:portable:py36:postCommitPy36
FATAL: command execution failed
java.io.IOException: Backing channel 'JNLP4-connect connection from 
140.111.238.35.bc.googleusercontent.com/35.238.111.140:43446' is disconnected.
        at 
hudson.remoting.RemoteInvocationHandler.channelOrFail(RemoteInvocationHandler.java:214)
        at 
hudson.remoting.RemoteInvocationHandler.invoke(RemoteInvocationHandler.java:283)
        at com.sun.proxy.$Proxy141.isAlive(Unknown Source)
        at hudson.Launcher$RemoteLauncher$ProcImpl.isAlive(Launcher.java:1150)
        at hudson.Launcher$RemoteLauncher$ProcImpl.join(Launcher.java:1142)
        at hudson.Launcher$ProcStarter.join(Launcher.java:470)
        at hudson.plugins.gradle.Gradle.perform(Gradle.java:317)
        at hudson.tasks.BuildStepMonitor$1.perform(BuildStepMonitor.java:20)
        at 
hudson.model.AbstractBuild$AbstractBuildExecution.perform(AbstractBuild.java:741)
        at hudson.model.Build$BuildExecution.build(Build.java:206)
        at hudson.model.Build$BuildExecution.doRun(Build.java:163)
        at 
hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:504)
        at hudson.model.Run.execute(Run.java:1815)
        at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
        at hudson.model.ResourceController.execute(ResourceController.java:97)
        at hudson.model.Executor.run(Executor.java:429)
Caused by: java.nio.channels.ClosedChannelException
        at 
org.jenkinsci.remoting.protocol.impl.ChannelApplicationLayer.onReadClosed(ChannelApplicationLayer.java:209)
        at 
org.jenkinsci.remoting.protocol.ApplicationLayer.onRecvClosed(ApplicationLayer.java:222)
        at 
org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.onRecvClosed(ProtocolStack.java:816)
        at 
org.jenkinsci.remoting.protocol.FilterLayer.onRecvClosed(FilterLayer.java:287)
        at 
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.onRecvClosed(SSLEngineFilterLayer.java:181)
        at 
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.switchToNoSecure(SSLEngineFilterLayer.java:283)
        at 
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processWrite(SSLEngineFilterLayer.java:503)
        at 
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.processQueuedWrites(SSLEngineFilterLayer.java:248)
        at 
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.doSend(SSLEngineFilterLayer.java:200)
        at 
org.jenkinsci.remoting.protocol.impl.SSLEngineFilterLayer.doCloseSend(SSLEngineFilterLayer.java:213)
        at 
org.jenkinsci.remoting.protocol.ProtocolStack$Ptr.doCloseSend(ProtocolStack.java:784)
        at 
org.jenkinsci.remoting.protocol.ApplicationLayer.doCloseWrite(ApplicationLayer.java:173)
        at 
org.jenkinsci.remoting.protocol.impl.ChannelApplicationLayer$ByteBufferCommandTransport.closeWrite(ChannelApplicationLayer.java:314)
        at hudson.remoting.Channel.close(Channel.java:1452)
        at hudson.remoting.Channel.close(Channel.java:1405)
        at hudson.slaves.SlaveComputer.closeChannel(SlaveComputer.java:847)
        at hudson.slaves.SlaveComputer.kill(SlaveComputer.java:814)
        at hudson.model.AbstractCIBase.killComputer(AbstractCIBase.java:89)
        at jenkins.model.Jenkins.access$2100(Jenkins.java:312)
        at jenkins.model.Jenkins$19.run(Jenkins.java:3464)
        at hudson.model.Queue._withLock(Queue.java:1379)
        at hudson.model.Queue.withLock(Queue.java:1256)
        at jenkins.model.Jenkins._cleanUpDisconnectComputers(Jenkins.java:3458)
        at jenkins.model.Jenkins.cleanUp(Jenkins.java:3336)
        at hudson.WebAppMain.contextDestroyed(WebAppMain.java:379)
        at 
org.apache.catalina.core.StandardContext.listenerStop(StandardContext.java:4732)
        at 
org.apache.catalina.core.StandardContext.stopInternal(StandardContext.java:5396)
        at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:257)
        at 
org.apache.catalina.core.ContainerBase$StopChild.call(ContainerBase.java:1400)
        at 
org.apache.catalina.core.ContainerBase$StopChild.call(ContainerBase.java:1389)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at 
org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
        at 
java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134)
        at 
org.apache.catalina.core.ContainerBase.stopInternal(ContainerBase.java:976)
        at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:257)
        at 
org.apache.catalina.core.ContainerBase$StopChild.call(ContainerBase.java:1400)
        at 
org.apache.catalina.core.ContainerBase$StopChild.call(ContainerBase.java:1389)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at 
org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
        at 
java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:134)
        at 
org.apache.catalina.core.ContainerBase.stopInternal(ContainerBase.java:976)
        at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:257)
        at 
org.apache.catalina.core.StandardService.stopInternal(StandardService.java:473)
        at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:257)
        at 
org.apache.catalina.core.StandardServer.stopInternal(StandardServer.java:994)
        at org.apache.catalina.util.LifecycleBase.stop(LifecycleBase.java:257)
        at org.apache.catalina.startup.Catalina.stop(Catalina.java:706)
        at org.apache.catalina.startup.Catalina.start(Catalina.java:668)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:344)
        at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:475)
Build step 'Invoke Gradle script' changed build result to FAILURE
Build step 'Invoke Gradle script' marked build as failure
ERROR: apache-beam-jenkins-1 is offline; cannot locate JDK 1.8 (latest)

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